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低频（9兆赫）心腔内超声心动图电生理检查的成像技术及临床应用

Imaging technique and clinical utility for electrophysiologic procedures of lower frequency (9 MHz) intracardiac echocardiography.

作者信息

Ren J F, Schwartzman D, Callans D, Marchlinski F E, Gottlieb C D, Chaudhry F A

机构信息

Department of Medicine, Allegheny University Hospitals, Philadelphia, Pennsylvania 19102-1192, USA.

出版信息

Am J Cardiol. 1998 Dec 15;82(12):1557-60, A8. doi: 10.1016/s0002-9149(98)00709-7.

DOI:10.1016/s0002-9149(98)00709-7
PMID:9874071
Abstract

Intracardiac echocardiography using a new 9-MHz ultrasound catheter was performed in 30 patients undergoing percutaneous catheter mapping and radiofrequency ablation of a tachyarrhythmia, because the imaging capabilities with this intracardiac echocardiographic catheter permit detailed identification of normal and abnormal cardiac anatomy with improved imaging depth. Intracardiac echocardiography is of significant clinical utility during ablation for guiding interatrial septal puncture, assessing placement and contact of mapping/ablation catheters, monitoring ablation lesion morphologic changes, and diagnosing procedure-related complications.

摘要

对30例接受经皮导管标测和快速心律失常射频消融术的患者进行了使用新型9兆赫超声导管的心内超声心动图检查，因为这种心内超声心动图导管的成像能力可在提高成像深度的情况下详细识别正常和异常心脏解剖结构。在心内超声心动图在消融过程中具有重要临床应用价值，可用于指导房间隔穿刺、评估标测/消融导管的放置和接触情况、监测消融灶形态学变化以及诊断与手术相关的并发症。

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Am J Cardiol. 1998 Dec 15;82(12):1557-60, A8. doi: 10.1016/s0002-9149(98)00709-7.
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